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7127066: Class verifier accepts an invalid class file

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For *store bytecodes, compare incoming, not outgoing, type state with exception handlers' stack maps.

Reviewed-by: acorn, dholmes
This commit is contained in:
Harold Seigel 2015-03-25 08:16:48 -04:00
parent 4adcfcd75c
commit 257436004b
6 changed files with 395 additions and 4 deletions
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63
hotspot/test/runtime/stackMapCheck/StackMapCheck.java Normal file
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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/*
* @test
* @bug 7127066
* @summary Class verifier accepts an invalid class file
* @compile BadMap.jasm
* @compile BadMapDstore.jasm
* @compile BadMapIstore.jasm
* @run main/othervm -Xverify:all StackMapCheck
*/
public class StackMapCheck {
public static void main(String args[]) throws Throwable {
System.out.println("Regression test for bug 7127066");
try {
Class newClass = Class.forName("BadMap");
throw new RuntimeException(
"StackMapCheck failed, BadMap did not throw VerifyError");
} catch (java.lang.VerifyError e) {
System.out.println("BadMap passed, VerifyError was thrown");
}
try {
Class newClass = Class.forName("BadMapDstore");
throw new RuntimeException(
"StackMapCheck failed, BadMapDstore did not throw VerifyError");
} catch (java.lang.VerifyError e) {
System.out.println("BadMapDstore passed, VerifyError was thrown");
}
try {
Class newClass = Class.forName("BadMapIstore");
throw new RuntimeException(
"StackMapCheck failed, BadMapIstore did not throw VerifyError");
} catch (java.lang.VerifyError e) {
System.out.println("BadMapIstore passed, VerifyError was thrown");
}
}
}